1055240540 has 24 divisors (see below), whose sum is σ = 2226516432. Its totient is φ = 420094080.

The previous prime is 1055240539. The next prime is 1055240567. The reversal of 1055240540 is 450425501.

It is a super-2 number, since 2×1055240540² = 2227065194518983200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120809 + ... + 129248.

It is an arithmetic number, because the mean of its divisors is an integer number (92771518).

Almost surely, 2^1055240540 is an apocalyptic number.

1055240540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055240540 is an abundant number, since it is smaller than the sum of its proper divisors (1171275892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1055240540 is a wasteful number, since it uses less digits than its factorization.

1055240540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250277 (or 250275 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 1055240540 is about 32484.4661338308. The cubic root of 1055240540 is about 1018.0844929439.

The spelling of 1055240540 in words is "one billion, fifty-five million, two hundred forty thousand, five hundred forty".